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EP1368762B1 - Internet-bezahlungsprozess auf rückkehrverkehrbasis - Google Patents

Internet-bezahlungsprozess auf rückkehrverkehrbasis Download PDF

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Publication number
EP1368762B1
EP1368762B1 EP01272137A EP01272137A EP1368762B1 EP 1368762 B1 EP1368762 B1 EP 1368762B1 EP 01272137 A EP01272137 A EP 01272137A EP 01272137 A EP01272137 A EP 01272137A EP 1368762 B1 EP1368762 B1 EP 1368762B1
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EP
European Patent Office
Prior art keywords
client
server
received
acknowledgement
content
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01272137A
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English (en)
French (fr)
Other versions
EP1368762A2 (de
Inventor
Jakobus Middeljans
Warner R. T. Ten Kate
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Priority to EP01272137A priority Critical patent/EP1368762B1/de
Publication of EP1368762A2 publication Critical patent/EP1368762A2/de
Application granted granted Critical
Publication of EP1368762B1 publication Critical patent/EP1368762B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4185—External card to be used in combination with the client device, e.g. for conditional access for payment
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/08—Payment architectures
    • G06Q20/10—Payment architectures specially adapted for electronic funds transfer [EFT] systems; specially adapted for home banking systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/08—Payment architectures
    • G06Q20/12—Payment architectures specially adapted for electronic shopping systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/08—Payment architectures
    • G06Q20/12—Payment architectures specially adapted for electronic shopping systems
    • G06Q20/123—Shopping for digital content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/163—In-band adaptation of TCP data exchange; In-band control procedures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols

Definitions

  • the present invention relates to a process and a system for controlling the delivery of digital works across a communications channel such as the internet in cases in which payment is required for the content of said digital works as received by a client.
  • a transmission protocol comprised in said system suitable for said process.
  • the transmission protocol disclosed in said document is directed to preclude certain failure modes, such as malicious or accidental interferences on the communications channel. Its stated object is that there should be no time at which a party to the communications can break a connection as a means to avoid payment after using a digital work. A complete digital work needs to be delivered before payment for the same is effectuated. In other words, the transactions with delivery are atomic by nature.
  • said document discloses that if there are several blocks to be sent, the server waits until receiving an acknowledgement message from the requester (client). When an acknowledgement message is received the server sends the next block to the requester and again waits for acknowledgement. Transmission thus occurs in a block-by-block mode of operation.
  • the requester (client) also repeats the same cycle of states.
  • the server commits to the transaction and waits for the final acknowledgement message. If there are no more blocks to send, the server commits to the transaction and waits for the final acknowledgement message. If there is a communications failure before the server receives the final communications message, it still commits to the transaction but includes a report about the event to its credit server. This report serves two purposes, one of which is to help legitimize any claims by a user of having been billed for receiving digital works that were not completely received. There is a similar protocol on the requester (client) side; the key property being that both the server and the requester cancel a transmission if it is interrupted before all of the data blocks are delivered and commit to it if all of the data blocks have been delivered.
  • Yet another problem relates to the server not being able to delete any transferred digital work until receiving the final acknowledgement from the requester, but also being unable to use the file in regard of prevention of loss of data.
  • This requires a comprehensive protocol comprising e.g. two-commit phase or a level of encryption without any real gain in accountability.
  • one or more of the stated objects is or are achieved by a process for controlling delivery of digital works across a communication channel such as the internet as specified in claim 1.
  • Claims 8, 9 disclose the corresponding system and computer program product claims respectively. Preferred embodiments are disclosed in claims 2-7.
  • the basic novel and inventive concept is to have the stream of acknowledgement codes (ACK) which are known from available transmission protocols also serve the function of payment tokens.
  • ACK acknowledgement codes
  • Central to this concept is the linking or association of payment to a streaming delivery, i.e. to a regular flow of packets lasting for some period of time. Payment advances along with the progress of that time period; delivery of content discontinues upon non-advancement of acknowledgement of receipt, thus upon non-advancement of payment for the content.
  • transmission or transport protocol also encompasses streaming protocols.
  • Streaming is not limited to transmission or transport protocols; at least server and client application processes also play a role in this regard.
  • the Transmission Control Protocol allows for segmentation of the data to be transmitted into IP packets and for numbering of the bytes. Using these numbers the receiver of a TCP connection re-orders the received packets, in case IP has delivered them out of order. It further sends an ACK packet (acknowledgement) back to the sender for each received packet of which the preceeding packets have also been received. The TCP sender uses these ACKs to determine which packets need to be resent in order to repair for losses, and by that to turn the IP best-effort delivery into a reliable end-to-end transport. A packet is retransmitted after a time-out period has expired during which an expected ACK has not been received, or when its previous packet has been ACK-ed three times. The time-out period is based upon an estimate of the Round Trip Time (RTT). Duplicate ACKs indicate that packets succeeding the missing one do have been received, which in turn is an indication that there is no further congestion in the transport channel.
  • RTT Round Trip Time
  • TCP also makes use of the ACKs to determine its transmission rate. This rate follows as the number of packets en route for which acknowledgement is required, the window, relative to the RTT. The window is increased upon successful transmission, while conversely lost packets decrease it. In this way TCP adapts its transmission rate to the available bandwidth.
  • the invention also provides a process for use as set out in claim 5.
  • the invention further provides a method as set out in claim 6.
  • the invention further provides a computer programme as set out in claim 9.
  • the server (200) comprises sender software and/or hardware components (210) which it uses to transmit the packets (100 1 ... 100 Z ) to a client (300).
  • the client (300) stores (310) or reproduces (320) or otherwise processes the packets it receives. It acknowledges (330) the packets received by sending acknowledgement codes (ACKs) to the server.
  • a monitor (220) in the server comprising receiver software and/or hardware components(not shown) receives the acknowledgement codes (ACKs) sent by the client and based on these it controls the continuation of the transmission of packets.
  • the monitor (220) issues control commands to the sender software and/or hardware (210).
  • the sender software and/or hardware There is continuation of the streaming of said content by the server only if the acknowledgement code(s) requested from the client is (are) received as specified by the server, otherwise there is discontinuation of the streaming transmission by the server if the initiated successive return traffic of acknowledgment codes from the client to the server is disrupted.
  • the received acknowledgements are also accumulated in a payment registry (not shown) that handles the further billing. Note that it is not necessary to have one ACK packet returned by the client for each and every data packet sent by the server. It will be apparent that other mappings can serve as well.
  • Figure 2 provides an elaboration on the control operations of the monitor (220) according to Figure 1.
  • Figure 2 depicts the order of the consecutive packets of the media stream.
  • the packets upto the packet indexed N-1 have been transmitted.
  • T number of packets have been transmitted, but are yet to be acknowledged by the client, i.e. these packets are in transit.
  • the server is set to accept that at any given instance upto W number of packets may not yet be acknowledged. If W packets are not acknowledged in time, the server will discontinue the transmission.
  • acknowledgement of the data received can be purposively made to be time-limited.
  • An example is the case in which listening to audio material or viewing video material is granted on pre-listening or pre-viewing conditions, respectively. Acknowledgement is restricted and the server discontinues when the time-limit set has passed.
  • a client or user is offered the possibility of confirming the transaction and, if not confirmed as required, no further transmission is allowed.
  • a second example is generation of action in regard of good delivery of the data packets at the end of recording by the client or user. Said action could be with respect to any active move related to the player device. It will be readily apparent that there could be need for discriminating between all sorts clicks or other actions taken by the user, for otherwise no simultaneous actions could be undertaken during delivery of the data packets.
  • a third example would entail the facility of a button denoted e.g. "received properly" on a user screen and/or a remote control facility. All sorts of user interfaces could be applied in this regard.
  • Figure 3 depicts the role of various examples of protocols in the traffic between the server and the client. It shows some examples of protocols usable for the different exchange phases in the traffic between the server and the client.
  • HTTP/TCP protocols can be used; negotiation and initiation/configuration can be exchanged using SDP; during session control and media content transport RTSP/ TCP and RTP/UDP protocols can be used.
  • the monitor (220) updates the various pointers to the various window boundaries shown in Figure 2 according to the following algorithms (these algorithms are only by way of example):
  • Packets are transmitted at a regular pace, i.e. the packet sent pointer is incremented by one, opening the transit window, at a regular pace.
  • a packet is transmitted if it is in both the transit and credit window. In normal operation, as exemplified in Fig. 2, it means that the packet N+T is sent when its transmission time passes. Otherwise, in case its transmission time has passed, but not its transmission deadline, the packet is sent when the credit window opens to include that packet. In principle, if the transmission deadline has passed, the packet is marked Unsuccesful. In such a situation, the whole transmission is deemd to have been disrupted.
  • the number of open ACK codes i.e. for the data packets sent receipt of which have not yet been acknowledged by the client, can be set to be incremented if a certain number of (additional) ACKs have been received or if the data packets have been sent and received for a certain period of time.
  • the credit window can be decremented if the transmission is not occurring smoothly.
  • Payment is according to the number of Successful counts.
  • T is such that retransmissions of lost packets can be done within the given deadline.
  • W is dependent on the credit that the transaction is willing to accept. W should be small, i.e. insignificant, compared to the total number of transmitted packets.
  • Maskerading by a client can be prevented by having the server send so-called "challenges" along with the data packets to the client and by having the client to return responses to the same along with the return traffic of acknowledgement codes.
  • the invention also extends to computer programmes, in particular to computer programmes on or in a carrier, adapted for putting the invention into practice.
  • the programme may be in the form of source code, object code, a code intermediate source and object code such as in partially compiled form, or in any other form suitable for use in the implementation of the processes according to the invention.
  • the carrier may be any entity or device capable of carrying the programme.
  • the carrier may comprise a storage medium, such as a ROM, e.g. a CD ROM or a semiconductor ROM, or a magnetic recording medium, e.g. a floppy disk or a hard disk.
  • a storage medium such as a ROM, e.g. a CD ROM or a semiconductor ROM, or a magnetic recording medium, e.g. a floppy disk or a hard disk.
  • the carrier may be a transmissible carrier such as an electrical or optical signal which may be conveyed via electrical or optical cable or by radio or by other means.

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  • Accounting & Taxation (AREA)
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  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
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  • Computer Networks & Wireless Communication (AREA)
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Claims (9)

  1. Prozess zur Steuerung der Lieferung digitaler Arbeit über einen Kommunikationskanal, wobei für den Content der digitalen Arbeit bezahlt werden muss, wobei der Prozess an einem Server-Computer (200) und an einem Kunden-Computer (300) durchführbar ist, wobei der genannte Prozess die nachfolgenden Prozessschritte umfasst:
    a) das Verhandeln der Konfiguration der Kommunikation zwischen dem Kunden und dem Server zum Zustimmen zu und zum Konfigurieren des Contents einer digitalen Arbeit,
    b) das Schaffen an dem Server und Durchführen eines regelmäßigen Stromes von Paketen (1001...i...Z), was einige Zeit dauert, wobei die Paketgröße gegenüber der Gesamtgröße der digitalen Arbeit gering ist, mit dem Content von dem Server zu dem Kunden unter Anwendung eines Übertragungs- oder Transportprotokolls, wodurch dem Kunden einen Antrag gestellt wird, den empfangenen Content zu bestätigen,
    c) das Auslösen eines Rückkehrverkehrs von wenigstens einem Bestätigungscode (ACK) durch den Kunden zu dem Server, wobei mit jedem Bestätigungscode oder mit einer Anzahl Bestätigungscodes ein Bezahlungszeichen assoziiert ist,
    d) das Bescheinigen durch den Server, dass jeder beantragte Bestätigungscode des Kunden von dem Server empfangen wird,
    e) das Fortsetzen des Stromes mit dem genannten Content durch den Server, nur dann, wenn der (die) beantragte(n) Bestätigungscode(s) des Kunden wie durch den Server spezifiziert empfangen (wird) werden,
    f) das Akkumulieren der mit den Bestätigungscodes assoziierten Bezahlungszeichen. Die von dem Kunden empfangen wurden in einer Betriebsart: bezahle-für-jedes-empfangene-Paket-wenn-von-dem-Kunden-bestätigt.
    g) Anordnung zum Ausstellen einer Rechnung an und zur Bezahlung durch den Kunden für alle empfangenen Pakete auf Basis wenigstens des genannten akkumulierten Bezahlungszeichens.
  2. Prozess zur Steuerung der Lieferung digitaler Arbeit über einen Kommunikationskanal nach Anspruch 1, dadurch gekennzeichnet, dass in dem Schritt (c) oder in dem Schritt (e) Bestätigung durch den Kunden mit wenigstens einem Paket des nachfolgenden Stromes von dem Server zu dem Kunden assoziiert ist.
  3. Prozess zur Steuerung der Lieferung digitaler Arbeit über einen Kommunikationskanal nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass in dem Schritt (e) Fortsetzung des Stromes mit Paketen mit Content durch den Server auftritt, wobei eine bestimmte Anzahl Pakete übertragen werden kann, während eine Anzahl Bestätigungscodes unterwegs, weniger als oder gleich einer anderen vorbestimmten Anzahl Bestätigungscodes umgeben durch das Kreditfenster noch nicht von dem Server empfangen worden sind.
  4. Prozess zur Steuerung der Lieferung digitaler Arbeit über einen Kommunikationskanal nach Anspruch 3, dadurch gekennzeichnet, dass die Größe des genannten Kreditfensters an die Anzahl von dem Kunden empfangener Bestätigungscodes angepasst werden kann.
  5. Prozess nach einem der Ansprüche 1-4, zur Verwendung in der Begleitung von Geschäftsvorgängen oder kommerziellen Transaktionen, die Regelung der Bezahlung auf Basis empfangenen Rückkehrverkehrs umfassend.
  6. Prozess nach Anspruch 5 zur Anwendung in der Begleitung von Geschäftsvorgängen oder kommerziellen Transaktionen, wobei außerdem das Bezahlen abhängig ist von der Übertragungsrate und/oder von der Länge der Übertragungssession und/oder der Verlustrate der übertragenen digitalen Pakete.
  7. Prozess zur Steuerung der Lieferung digitaler Arbeit über einen Kommunikationskanal nach Anspruch 1, dadurch gekennzeichnet, dass der Kommunikationskanal das Internet ist.
  8. System zur Steuerung der Lieferung digitaler Arbeit zu einem Kunden (300), und zwar über einen Kommunikationskanal, wobei für den Content der genannten digitalen Arbeit bezahlt werden muss, wobei dieses System folgende Elemente umfasst:
    a) Mittel zum Verhandeln der Konfiguration der Kommunikation zwischen dem Kunden und dem System zum Zustimmen zu und zum Konfigurieren des Contents einer digitalen Arbeit,
    b) Mittel zum Schaffen an dem System und zum Durchführen eines regelmäßigen Stromes von Paketen (1001...i...Z), was einige Zeit dauert, wobei die Paketgröße gegenüber der Gesamtgröße der digitalen Arbeit gering ist, mit dem Content von dem Server zu dem Kunden unter Anwendung eines Übertragungs- oder Transportprotokolls, wodurch dem Kunden einen Antrag gestellt wird, den empfangenen Content zu bestätigen,
    c) Mittel zum Auslösen eines Rückkehrverkehrs von wenigstens einem Bestätigungscode (ACK) durch den Kunden zu dem Server, wobei mit jedem Bestätigungscode oder mit einer Anzahl Bestätigungscodes ein Bezahlungszeichen assoziiert ist,
    d) Mittel zum Bescheinigen durch den Server, dass jeder beantragte Bestätigungscode des Kunden von dem Server empfangen wird,
    e) Mittel zum Fortsetzen des Stromes mit dem genannten Content durch den Server, nur dann, wenn der (die) beantragte(n) Bestätigungscode(s) des Kunden wie durch den Server spezifiziert empfangen (wird) werden,
    f) Mittel zum Akkumulieren der mit den Bestätigungscodes assoziierten Bezahlungszeichen, die von dem Kunden empfangen wurden in einer Betriebsart: bezahle-für-jedesempfangene-Paket-wenn-von-dem-Kunden-bestätigt.
    g) Mittel zum Ausstellen einer Rechnung an und zum Bezahlen durch den Kunden für alle empfangenen Pakete auf Basis wenigstens des genannten akkumulierten Bezahlungszeichens.
  9. Computerprogrammprodukt zur Steuerung der Lieferung digitaler Arbeit über einen Kommunikationskanal, wobei für den Content der genannten digitalen Arbeit bezahlt werden muss, wobei der Prozess an einem Server-Computer (200) und einem Kunden-Computer (300) erledigt wird, wobei das Computerprogrammprodukt Instruktionen aufweist, die in einen Prozessor eines Server-Computers (200) und in einen Prozessor eines Kunden-Computers (300) zum Durchführen geladen werden müssen und wobei die Instruktionen Folgendes umfassen:
    a) einen Code zur Verhandlung der Konfiguration der Kommunikation zwischen dem Kunden und dem Server zum Zustimmen zu und zum Konfigurieren des Contents einer digitalen Arbeit,
    b) einen Code zum Schaffen an dem Server und zum Durchführen eines regelmäßigen Stromes von Paketen (1001...i...Z), was einige Zeit dauert, wobei die Paketgröße gegenüber der Gesamtgröße der digitalen Arbeit gering ist, mit dem Content von dem Server zu dem Kunden unter Anwendung eines Übertragungs- oder Transportprotokolls, wodurch dem Kunden einen Antrag gestellt wird, den empfangenen Content zu bestätigen,
    c) einen Code zum Auslösen eines Rückkehrverkehrs von wenigstens einem Bestätigungscode (ACK) durch den Kunden zu dem Server, wobei mit jedem Bestätigungscode oder mit einer Anzahl Bestätigungscodes ein Bezahlungszeichen assoziiert ist,
    d) einen Code zum Bescheinigen durch den Server, dass jeder beantragte Bestätigungscode des Kunden von dem Server empfangen wird,
    e) einen Code zum Fortsetzen des Stromes mit dem genannten Content durch den Server, nur dann, wenn der (die) beantragte(n) Bestätigungscode(s) des Kunden wie durch den Server spezifiziert empfangen (wird) werden,
    f) einen Code zum Akkumulieren der mit den Bestätigungscodes assoziierten Bezahlungszeichen, die von dem Kunden empfangen wurden in einer Betriebsart: bezahle-für-jedesempfangene-Paket-wenn-von-dem-Kunden-bestätigt.
    g) einen Code zum Ausstellen einer Rechnung an und zum Bezahlen durch den Kunden für alle empfangenen Pakete auf Basis wenigstens des genannten akkumulierten Bezahlungszeichens.
EP01272137A 2000-12-22 2001-12-10 Internet-bezahlungsprozess auf rückkehrverkehrbasis Expired - Lifetime EP1368762B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01272137A EP1368762B1 (de) 2000-12-22 2001-12-10 Internet-bezahlungsprozess auf rückkehrverkehrbasis

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP00204805 2000-12-22
EP00204805 2000-12-22
PCT/IB2001/002421 WO2002052813A2 (en) 2000-12-22 2001-12-10 Internet payment process based on return traffic
EP01272137A EP1368762B1 (de) 2000-12-22 2001-12-10 Internet-bezahlungsprozess auf rückkehrverkehrbasis

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EP1368762A2 EP1368762A2 (de) 2003-12-10
EP1368762B1 true EP1368762B1 (de) 2005-11-09

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US (1) US7103557B2 (de)
EP (1) EP1368762B1 (de)
JP (1) JP2004516776A (de)
KR (1) KR20030001366A (de)
CN (1) CN1478240A (de)
AT (1) ATE309578T1 (de)
DE (1) DE60114888T2 (de)
ES (1) ES2252153T3 (de)
WO (1) WO2002052813A2 (de)

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JP2004516776A (ja) 2004-06-03
EP1368762A2 (de) 2003-12-10
WO2002052813A2 (en) 2002-07-04
WO2002052813A3 (en) 2003-10-16
DE60114888D1 (de) 2005-12-15
KR20030001366A (ko) 2003-01-06
ES2252153T3 (es) 2006-05-16
ATE309578T1 (de) 2005-11-15
DE60114888T2 (de) 2006-07-20
US20020091544A1 (en) 2002-07-11
CN1478240A (zh) 2004-02-25
US7103557B2 (en) 2006-09-05

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